For Merleau-Ponty and for Nancy, the subject and his or her world are born together (co-naissent) in the paradoxical movement of sensing. From this perspective, sensing is thus a privileged point of departure for the deconstruction of classical theories of subjectivity and for the construction of a new notion of a decentered subjectivity. Even though it may appear that these two thinkers diverge precisely with regard to the definition of the subject to be theorized, by bringing them together on the topic of sensing (and “listening” in particular), we are able to bring out a radical tone in Merleau-Ponty’s early work as well as a phenomenological timbre in Nancy’s thought. In this paper I demonstrate that listening reveals how subjectivity is an activity of “co-existence” rather than “co-incidence”, of “co-birth” (co-naissance) rather than “knowledge” (connaissance), and is a trajectory rather than a static presence. In other words, by listening to listening we rediscover a radical theory of subjectivity already at work in Phenomenology of Perception and a phenomenological tonality in the work of Nancy.

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